Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.

Jython 2.5 looks very promising, and we are planning Jython support for future Brasil releases.

At the time of writing, Brasil4Win is not working with the Beta 3 of Jython 2.5
The reported error is